UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 434

• Manufacturer Part Number: UPD70F3740GC-UEU-AX
• Description: MCU 32BIT V850ES/JX3 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3r

Specifications of UPD70F3740GC-UEU-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

V850ES/JG3
result (ADA0CRn register) is as follows.
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
The relationship between the analog voltage input to the analog input pins (ANI0 to ANI11) and the A/D conversion
Or,
The following shows the relationship between the analog input voltage and the A/D conversion results.
INT( ):
V
AV
ADA0CR: Value of ADA0CRn register
SAR = INT (
ADA0CR
(SAR − 0.5) ×
Note The lower 6 bits of the ADA0CRn register are fixed to 0.
IN
A/D conversion results
:
REF0
:
Figure 13-2. Relationship Between Analog Input Voltage and A/D Conversion Results
Note
Function that returns the integer of the value in ( )
Analog input voltage
AV
= SAR × 64
AV
REF0
AV
V
1,024
REF0
IN
REF0
pin voltage
× 1,024 + 0.5)
1,023
1,022
1,021
≤ V
3
2
1
0
SAR
IN
< (SAR + 0.5) ×
2,048
1
1,024
1
2,048
3
AV
1,024
1,024
2
REF0
2,048
5
Input voltage/AV
1,024
3
2,043
2,048
1,022
1,024
REF0
CHAPTER 13 A/D CONVERTER
2,045
2,048
1,023
1,024
2,047
2,048
ADA0CRn
1
FF40H
00C0H
0040H
0000H
FFC0H
FF80H
0080H
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